Starrett 643J 643 Series Dial Depth Gauge, Indicator Type, 0-0.125" Range, 0.0005" Graduation, Without Case, 1 GRAD for first 2? The Starrett 643 Series Dial Depth Gauges, Indicator Type, Inch, have a measurement range of 0 to 0.125", a resolution (or smallest graduation interval) of 0.0005", with + or - 1 graduation (0.0005) for the first 2.5 revolutions of accuracy. The dial face has distinct, easy to read figures. The gauges in this series have a knife-edge base of 2.5 long, and needle point contact that are both hardened and ground for durability and accuracy.

The base of these units has a cutout so that the user can see the point to accurately position it for close measurements. Depth gauges are typically used in manufacturing, machining, and mechanical engineering. Depth gauges are precision measuring instruments used to determine the depth of any shape that has a step, groove, or slot. These gauges often take the form of sliders that travel on a measuring beam or rods, are moved to position by hand, and then adjusted with a calibrated screw.

The base of the gauge rests at the top of the shape whose recession is to be measured, while the beam or rods extend to the bottom of the? Gauge position is read from a graduated scale, dial, counters, or an electronic display. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products.

The company, founded in 1880, is headquartered in Athol, MA. Measurement range for each model in series of 0 to 0.125", and resolution of 0.0005". Dial gauge provides precise and easily readable measurements.

Knife-edge base and needle point contact both hardened and ground for accurate measurements. Cut-out base so that point can be accurately positioned for close measurements. Choice of two models: one with a case and one without. It is very important that you are happy as a customer of ours so we please ask that you consider the following?

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Once we receive your message, we will make sure to take care of you as timely as possible. By purchasing this item you agree to the terms and conditions stated above. The item "643j 643 series dial depth gauge, indicator type, 0-0.125 range, 0.0005" is in sale since Monday, May 7, 2018. This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Inspection & Measurement\Indicators".